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Finding the Fourth Proportional to 58,769, 87,958.56 and 53,516.16

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Solution

The fourth proportional to 58,769, 87,958.56 and 53,516.16 is: 80,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,769 : 87,958.56 = 53,516.16 : x
  2. Step 2: Convert to fraction form
    58,769/87,958.56 = 53,516.16/x
  3. Step 3: Cross multiply
    58,769x = 87,958.56 × 53,516.16
  4. Step 4: Simplify right side
    58,769x = 4,707,204,370.33
  5. Step 5: Solve for x
    x = 4,707,204,370.33/58,769
  6. Step 6: Final answer
    x = 80,096.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.